henry knight



( No Model.)

J. H. KNIGHT. VAPORIZER FOR HYDROGARBON MOTORS. v1\I0.518,1a1.

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me NATIONAL LITHOQMFHINQ ooMPANY.

vUNITED STATES PATENT OFFICE.

JOHN HENRY KNIGHT, OE EAENHAM, ENGLAND.

vAPoRlzER FOR HYDRooARBoN-MOTORS.

SPECIFICATION forming part of Letters Patent No. 518,151, dated April 10, 1894. Application filed November 6, 1893. SerialNo. 490,146. (No model.) Patented in England Decemberll, 1891, No. 20,926.

To @ZZ whom it may concern:

Be it known that I, JOHN HENRY KNIGHT, a subject of the Queen of Great Britain and Ireland, residing at Farnham, in the county of Surrey, England, have invented Improvements in Vaporizers for Hydrocarbon-Motors, (for which an English patent was granted on December 1, 1891, NO. 20,926,) of which the following is a specification.

In the specification of another application for Letters Patent of the United States of America, led by me, Serial No. 491,139, I have described aconstruction of a vaporizer specially adapted for use for hydro-carbon motors working with heavy hydro-carbons such as kerosine and paraffin oils.

Now my present invention has reference to improved constructions and arrangements of vaporizers for motors of the kind referred to, ythe object being to simplify and cheapen the construction of such vaporizers and likew1se to increase their efciency. For this purpose I construct the vaporizers in the iinproved ways I will now proceed to explain by reference to the accompanying drawings, in which* Figure 1 shows in longitudinal vertical section, one construction of vaporizer according to this invention, applied to the combustion end ofa motor cylinder. Fig. 2 is across.

section thereof on the line a a, (Fig. 1). Fig. 3,1s'a similar View to Fig. l illustrating a modified construction of vaporizer. Figs. 4

and 5 are cross sections, and Fig. 6 a hori-` zontal section, on the lines b b; c c; and d d respectively of Fig.' 3. Fig. 7 is a cross secicsion illustrating a further modified construcion.

Ihe vaporizer shown in Figs. l and 2 comprlses inner and outer cylindricalwallsl and 2 connected at their forward ends by an annular Wall 3 by which they can be readily attached to the end of the motor cylinder 4, the inner wall 2 being provided with. a transverse wall or partition 5. These walls are made in one piece of metal, preferably by casting, so that heat imparted to one of them will be readily conducted to the others, and they are so arranged as to. form an outer vaporizing chamber 6 of narrow annular form in cross section, an inner combustion chamber 7 and an intermediate vaporizing chamber 8 located at the rear of the combustion chamber which is thus inclosed on all sides, excepting the front, by vaporizing chambers. The vaporizing chamber 8 isin permanent communication with the vaporizing chamber 6 by holes 9 in the inner wall 2 and is adapted to be placed in direct communication with the rear end of the combustionchamber by a passage 10 controlled by a valve l1'. The

outer wall 1 is provided with an inlet 12 for liquid hydro-carbon and air. The inner wall 2 is formed externally with longitudinal ribs or projections 13 that project into the vaporizing chamber 6, and convert the'same into a circuitous passage, and at -the same time provide a large heating surface for the hydro carbon flowing through such passage. One of these ribs, vizz--l3a may connect the inner yand outer walls 1 and 2 as shown so that the hydrocarbon is caused to tiow in one direction around the inner wall 2. The rear end Wall ofthe chambers 6 and 8 is formed by a detachable plate lfby moving which access can be readily obtained tosuch chambers for cleaning or other purposes.

' By making avaporizer in the form described and in one piece of metal, excepting its rear end wall, its construction is considerablysimplified and cheapened, while the heat of a lamp or stove applied externally to the vaporizer at starting and the heat caused by the explosions of the combustible charges within the combustion chamber after starting, can

be eciently utilized to effect the vaporizaouter wall by two ribs or partitions/13, 13b

so as to form with the end walls 3`and 14. an additional vaporizing chamber 16 (Figs. 5 and 6) which is adapted to be placed in direct connection with the combustion chamber by a lateral passage 10 controlled by the valve 11 and is in permanent communication with the IOC intermediate chamber 8 by one or more holes such as 9a (Fig. 6).

The vaporizer may obviously be of other forms than circular in cross section. Thus the outer Wall of casing may be constructed with a fiat bottom as shown in Fig. 7.

What I claimisl. A vaporizer for hydrocarbon engines comprising a combustion chamber, a vaporizing chamber extendinglongitudinally of and surrounding the same, a vaporizing chamber extending across and closing the end of the 4said combustion chamber, and a communication between said chambers and the combustion chamber.

2. Avaporizert'or hydrocarbon motors, comprising a casing, an inner longitudinal Wall arranged to form with said chamber a vaporizing chamber inclosing a combustion charnber, and longitudinal retarding ribs between said casing and inner Wall, one edge of the ribs being separated from one Wall to form a passage Way for oil and vapor.

3. A-vaporizer for a hydro-carbon motor, comprising inner and outertubular Walls and a transverse Wall located Within the inner one, and intermediate its ends to form in conjunction with end Walls an inner combustion chamber that is open to the` motor cylinder, and outer vaporizing chambers one of which is located at the rearof said combustion chamber, substantially as herein described.

4. A vaporizer for a hydrocarbon motor, comprising an outer tubular Wall or casing provided with an inlet for hydrocarbon and air, an inner tubular wall connected to said outer Wall or casing and forming therewith a Vaporizing chamber and provided with longitudinal external ribs or projections, a transverse Wall arranged within the inner tubular wall and arranged to divide the same into a rear vaporizing chamber and an inner combustion chamber, a passage for connecting said combustion chamber with one of said vaporzing chambers, a valve controlling said passage, and a detachable rear end wall arranged to close the rear ends of said vaporizing chambers, substantially as herein described.

5. A vaporizer for a hydrocarbon motor,

comprising an outer tubular wall or casing provided with an inlet for hydrocarbon and air, an inner tubular wall connected to said outer wall or casing and forming therewith a vaporizing chamber and provided with external ribs or projections, a transverse wall arranged within the inner tubular wall and arranged to divide the same into a rear vaporizing chamber and an inner combustion chamber, a passage for connecting said combustion chamber with one of said vaporizingchambers, a valve controlling said passage, a chimney extending through said combustion chamber and having its Wall formed integral with said inner and outer Walls substantially as herein described for the purpose specified.

6. A vaporizer for a hydrocarbon motor, comprising inner and outer tubular walls 1 and 2 connected by an annular end Wall 3, provided with ribs or projections 13, 13a and 13b and arranged to form outer vaporizing chambers 6 and 16, a transverse wall 5 located within said tubular inner Wall so as to divide the same into an inner combustion chamber 7 and a rear vaporizing chamber 8 that is in free communication with the vaporizing chambers 6 and 16, an outlet passage 10 connecting the vaporzing chamber 16 with said combustion chamber, a valve controlling said outlet passage, a chimney 15 traversing said vaporizer and integral with said inner, outer and transverse walls, and a detachable end plate arranged to close the rear ends of said vaporizing chambers, substantially as herein described for the purposes specified. y

7. A vaporizer for hydrocarbon motors comprising a combustion chamber, a vaporizing chamber inclosing the same, and a chimney or tube passing through the combustion and vaporizing chambers.

In testimony whereof I have signed my name to this specification in the presence of tWo subscribing Witnesses.

JOHN HENRY KNIGHT.

Witnesses:

CHARLES E. BROUGHAM, WILLIAM GROSS, Rctg; ojv 46 Lincolns Ivm Fields, London, 

